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http://dx.doi.org/10.9726/kspse.2011.15.6.005

Thermal stress analysis of the turbocharger housing using finite element method  

Choi, B.L. (강릉원주대학교 기계자동차공학부)
Bang, I.W. (현대자동차 파워트레인해석팀)
Publication Information
Journal of Power System Engineering / v.15, no.6, 2011 , pp. 5-10 More about this Journal
Abstract
A turbocharger is subjected to rapid temperature changes during thermal cyclic loads. In order to predict the thermo-mechanical failures, it's very important to estimate temperature distributions under the thermal shock test. This paper suggest the finite element techniques with the temperature histories, a constitutive material model and the mechanical constraints to calculate the thermal stresses and plastic strain distributions for the turbine housing. The first step was to develop a simple coupon approach to represent the failure mechanism of the classical design shapes and secondly applied the actual turbocharger to predict and validate the weak locations under the physical engine test.
Keywords
Turbocharger; Turbine Housing; Thermal Shock Cycle; FEM; Steady State; Plastic Strain;
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